$ git clone -n https://gitee.com/src-opencloudos-rpms/vulkan-validation-layers.git /var/lib/mock/dist-oc9-build-49598-14595/root/chroot_tmpdir/scmroot/vulkan-validation-layers
Cloning into '/var/lib/mock/dist-oc9-build-49598-14595/root/chroot_tmpdir/scmroot/vulkan-validation-layers'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/vulkan-validation-layers
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a83ba43 import vulkan-validation-layers-1.3.239.0-3.tl4